PLC Annunciator (Model PD128)
When it comes to low-cost, high efficiency and ease of use, the PD128 beats message centers and pilot lights hands down. The PD128 is a low-cost easy-to-use PLC annunciator that displays up to 8 messages at once, and features a built-in horn. Interchangeable LEDs (Red, Yellow, Green) allow for customized alarm messages. Powered directly from the PLC, the PD128 accepts standard digital output signals, requires no programming and can be connected in minutes. Precision Digital also prints custom message labels free of charge.
- Features
- Ordering Information
- Specifications
| Model: |
Description: |
Six-pack box |
| PD128 |
PLC Annunciator |
 Buy a 6-Pack and Save 20%! |
| PD128-6* |
6-pack of PD128s |
| PDX128G |
Green LEDs (10) |
| PDX128Y |
Yellow LEDs (10) |
Notes: *Six-pack not for individual re-sale.
- NUMBER OF INPUTS: 8 visual per unit + 1 audio
- TYPE OF INPUTS:
- Logic Levels: Low = 0 to .8VDC; High = 4.7 to 24VDC
a. Common Low Input - activates when input goes high.
b. Common High Input - activates when input goes low.
- NO switches: External power required to power switch.
- Open Collector Transistor: (common low only) transistor must be
turned off to detect an alarm. Transistor ON under normal conditions.
- OUTPUTS:
- Audible: Built-in horn
- Visual: Red LED next to alarm message.
- May be replaced with yellow or green.
- ALARM MESSAGES: Free
Custom printed, 1 line per message at 14 characters per line. Factory or field printable.
- ENVIRONMENTAL:
- Operating temperature range: -20 to 70oC
- Storage temperature range: -40 to 85oC
- Relative humidity: 0 to 90% non-condensing
- ENCLOSURE: 1/8 DIN, high impact plastic, UL 94V-0.
- FRONT PANEL: NEMA 4X, panel gasket provided.
- CONNECTIONS: Removable screw terminal block (provided).

North California Office :- 285-A Bel Marin Keys Blvd - Novato, CA - 94949 PH: (415) 382 - 9710 FAX: (415) 382 - 9720